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Packet Switching and X.25 Networks. Page 59

ERROR Error in command.
This is given if the user enters an invalid command in PAD Command
State.

ENGAGED/FREE These are responses to the STAT command.

2.10.3 X.28 standard profiles

Two standard profiles are defined in X.28 as follows:
Transparent standard profile

1:0 2:0 3:0 4:20 5:0 6:0 7:2 8:0 9:0
10:0 12:0 13:0 14:0 15:0 17:24

and 11 set to the terminal speed. This makes the PAD as transparent as
possible to data from the user.
Simple standard profile

1:1 2:1 3:126 4:0 5:1 6:1 7:2 8:0 9:0
10:0 12:1 13:0 14:0 15:0 17:24

and 11 set to the terminal speed. This corresponds to an everyday default
setting that will allow initial communication with many host services.

2.11 Differences in 1984 recommendations

This section shows the major additions made to triple-X in the 1984
recommendations.

2.11.1 X.3 (1984)

The major addition to X.3 is four new parameters. These have the
following functions:

Number Name Description
19 Display (Editing PAD service signals.)
This parameter indicates whether the
terminal attached to the PAD is a
printing type or a screen type, and thus
determines what happens when the
editing characters are used.
The values of the parameter are as follows:


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